PayoffCraft Financial Tools
✨ 100% Free • No Sign-Up • Runs In Your Browser

Financial Clarity,
Crafted for Real Decisions.

Stop guessing your tax bill or how much interest your bank is pocketing. Fast, precise, client-side financial tools built for freelancers, contractors, and smart borrowers.

Our Financial Toolkit

Explore Ready-to-Use Calculators

Every calculator computes instantly in your browser. None of your sensitive income or loan data ever leaves your device.

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Mortgage & Escrow

Home Loan Interest & Amortization

Calculate your true monthly payment including Principal, Interest, Property Taxes, Insurance, and PMI. Model extra principal payments and see how much interest and years you eliminate.

Open Home Loan Calculator →
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Break-Even & Savings

Mortgage Refinance Break-Even Calculator

Determine if refinancing makes sense. Calculate your exact monthly savings, break-even period in months, and net lifetime interest savings after closing costs.

Open Refinance Calculator →
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Retirement & Wealth

401(k) Growth & Employer Match

Project your nest egg at retirement, unlock 100% of your company's matching dollars, and see how pre-tax savings cushion the impact on your monthly take-home paycheck.

Open 401(k) Calculator →
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Updated for 2026 Brackets

1099 Self-Employment Tax & Take-Home Pay

Estimate your 15.3% SE tax, federal graduated brackets, and state income taxes across all 50 US states. Includes Section 199A QBI deduction and quarterly 1040-ES voucher estimates.

Open 1099 Tax Calculator →
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Debt Elimination Tool

Auto Loan Early Payoff Calculator

Discover how adding an extra $50, $100, or $200 towards your car loan principal cuts total interest, shrinks your payoff timeline, and prevents negative equity.

Open Auto Payoff Calculator →
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Debt Freedom & Rebuilder

Credit Card Payoff & Elimination

Calculate your debt-free date, escape the costly minimum payment trap, and discover personalized balance transfer cards or credit builder options for all credit scores.

Open Credit Card Calculator →
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100% Client-Side Privacy

We never collect, store, or transmit your financial numbers to remote servers. All calculations execute instantly inside your web browser.

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Zero Paywalls or Popups

No email required to unlock results. No forced logins, aggressive modal popups, or fake loading screens.

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IRS & Banking Verified

Calculations are built upon published IRS Schedule C / SE guidelines, official federal tax brackets, and standard banking amortization formulas.